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Encyclopedia ntawm Txawv Tebchaws Txawv Cov Qauv Hlau

Encyclopedia ntawm Txawv Tebchaws Txawv Cov Qauv Hlau
No. 1 hnyav hnyav melting hlau seem (HMS1):
Keeb kwm: Russia, Central Europe, Tebchaws Asmeskas, South Africa, North Africa. Kev Qhia Tshwj Xeeb: Asmeskas seem Hlau Txheem 200-202 "ISRI200-202)
200: Tsis yog 1 hnyav hlau seem rau smelting. Scrap forged steel lossis seem, nrog tuab ntau dua 1/4 nti, thiab qhov loj me ntawm ib daim yuav tsum tsis pub tshaj 60 × 24 ntiv tes (ntim lub thawv loj), thiab nws yuav tsum tau ua tiav kom ntseeg tau kev ua kom nruj thiab ua haujlwm. 201: Tsis muaj 1 hnyav hlau seem rau smelting, 3 ko taw × 18 ntiv tes, seem wrought hlau lossis seem hlau, tuab ntau dua 1/4 nti, thiab qhov loj ntawm ib thooj yuav tsum tsis pub tshaj 36 × 18 ntiv tes, (thau lub thawv loj), uas yuav tsum tau ua tiav kom ntseeg tau qhov tseeb Ua haujlwm thauj khoom.
202: 1 hnyav steel hlau rau yaj, 5 taw x 18 ntiv. Cov hlau ua los yog seem hlau, tuab ntau dua 1/4 nti, thiab qhov loj me ntawm ib daim yuav tsum tsis pub tshaj 60 x 18 ntiv tes (ntim lub thawv loj), thiab nws yuav tsum tau ua tiav kom ntseeg tau tias kev ntim khoom thauj khoom.
Ntau yam ntsiab lus ntsiab lus rooj:
Element pawg feem (%> Element pawg feem (%)
c (carbon) 0.40 ~ 0.80 s (leej faj) ≤0.04
si (silicon) 0.12 ~ 0.40 P (phosphorus) <0.04
Mn (manganese) 0.50 ~~ 1.00 Cu (tooj liab) <0.30
Nb (npib tsib xee <0.30 Cr (chromium) <0.30
1, 2 sib xyaw hnyav hnyav melting steel seem (HMS1 & 2)
Keeb kwm: Russia, Central Europe, Tebchaws Asmeskas, South Africa, North Africa.
Kev faib ua feem thiab cov lus qhia tshwj xeeb: 80%1#& 20%2#, American Scrap Steel Standard 200-206 (ISRI200-206).

200: Tsis yog 1 hnyav steel hlau rau smelting. Scrap forged steel lossis seem steel nrog tuab ntau dua 1/4 nti, thiab qhov loj me ntawm ib daim yuav tsum tsis pub tshaj 60 × 24 ntiv tes (thau khoom lub thawv loj), thiab nws yuav tsum tau ua tiav kom ntseeg tau kev sib sau thiab ua haujlwm. 201: Tsis muaj 1 hnyav hlau seem rau smelting, 3 ko taw × 18 ntiv tes, seem wrought hlau lossis seem hlau, tuab ntau dua 1/4 nti, thiab qhov loj ntawm ib thooj yuav tsum tsis pub tshaj 36 × 18 ntiv tes, (thau lub thawv me me), uas yuav tsum tau ua tiav kom ntseeg tau qhov tseeb Ua haujlwm thauj khoom.
202: 1 hnyav steel hlau rau yaj, 5 taw x 18 ntiv. Cov hlau ua los yog cov hlau seem, tuab ntau dua li 1/4 nti, qhov loj me ntawm ib daim yuav tsum tsis pub tshaj 60 × 18 ntiv (qhov loj ntawm lub thawv them nyiaj), thiab nws yuav tsum tau ua tiav kom ntseeg tau kev sib sau thiab ua haujlwm .
203: Tsis yog 2 smelting hnyav hlau seem, seem hlau ua thiab/lossis seem, tsis pleev xim thiab galvanized, tuab ntau dua 1/8 nti, them nqi tshwj xeeb suav nrog cov khoom uas tsis haum rau No. 1 smelting hnyav hlau seem, thiab xav tau ua tiav rau hauv tuaj yeem ua kom ntseeg tau kev cog lus thiab thauj khoom.
204: Tsis yog 2 hnyav hlau seem rau smelting. Scrap wrought hlau lossis steel seem, tsis pleev xim thiab galvanized, nrog qhov siab tshaj plaws ntawm 36 × 18 ntiv tes, thiab yuav suav nrog txhua qhov tsim nyog ua cov tsheb seem.
205: Hnyav seem hlau rau smelting No. 2, 3 taw x 18 ntiv. Scrap wrought hlau thiab seem hlau, tsis pleev xim thiab galvanized, nrog qhov siab tshaj plaws ntawm 36 × 18 nti. Nws yuav suav nrog ua cov tsheb seem kom raug, tab sis tsis muaj cov phaj hlau nyias thiab cov khoom siv lub teeb.
206: Tsis yog 2 cov hlau hnyav rau zom, 5 taw x 18 ntiv, seem ua cov hlau thiab seem hlau, tsis pleev xim thiab galvanized, nrog qhov siab tshaj 60 x 18 ntiv. Nws yuav suav nrog ua cov tsheb seem kom raug, tab sis tsis muaj cov phaj hlau nyias thiab cov khoom siv lub teeb.


Sijhawm Tshaj Tawm: Jul-26-2021